一种基于统计模型的自适应窗口匹配方法A matching method with adaptive window based on a statistical model
林宗坚,刘正坤,支晓栋
摘要(Abstract):
提高匹配精度和效率是摄影测量的主要研究内容之一。本文基于统计模型计算窗口灰度波动及视差波动,根据视差和其不确定性估计调整窗口。在调整窗口的同时确定最佳匹配点位,实现动态窗口匹配,匹配精度达到子像素级。通过对无人机影像匹配的实验结果验证了模型的有效性和实用性。
关键词(KeyWords): 匹配窗口;自适应窗口匹配;视差增量;不确定性估计
基金项目(Foundation): 国家科技支撑计划(编号:2006BAB15B0102);; 863重点项目(编号:2008AA121305-5)
作者(Author): 林宗坚,刘正坤,支晓栋
DOI: 10.16251/j.cnki.1009-2307.2010.06.059
参考文献(References):
- [1]夏永泉,黄敏,郭龙源,等.基于相关窗口匹配的费用函数计算优化方法[J].计算机工程,2009,35(4):83-84.
- [2]Masatoshi O,Takeo K.A locally adaptive window for signal matching[J].International Journal of Computer Vision,1992,7(2):143-162.
- [3]Takeo K,Masatoshi O.A stereo matching algo-rithm with an adaptive window:theory and experi-ment[J].International Conference on Robotics and Automation Sacramento,Calofornia,1991:1088-1095.
- [4]Veksler O.Stereo matching by compact windows via minimum ratio cycle.Proceedings of the Inter-national Conference on Computer Vision[J].Vancouver,Canada,2001,540-547.
- [5]Veksler O.Fast variable window for stereo corre-spondence using integral images[C]∥Proceed-ings of the2003puter Society Conference on Com-puter Vision and Pognition,Madison,WI,USA,2003:556-561.
- [6]Daniel S.and Szeliski R.Stereo matching with nonlinear diffusion.International Journal of Com-puter Vision[J].1998,28(2):155-174.
- [7]周秀芝,文贡坚,王润生.自适应窗口快速立体匹配[J].计算机学报,2006,29(3):473-478.
- [8]B Bmandelbrot,B J Van Ness.Fractional brown-ian motion,fractional noises and applications[J].SIAM,1968,10(4):422-438.